I am planning on building a pc and would like some advice on selecting the hardware. I am planning on using the following components: Intel Core™ i7 Quad Processor i7-920 Sapphire Radeon HD 4890 1GB GDDR5 ASUS P6T Deluxe V2, X58, Socket-1366 Antec Twelve Hundred Big Tower Black Corsair HX 750W PSU OCZ Platinum XTC DDR3 2000MHz 6GB KIT Samsung SpinPoint F1 500GB SATA2 Zalman CNPS10X Extreme CPU Cooler Sony NEC Optiarc DVD±RW burner AD-7240S